Triple

T15185734
Position Surface form Disambiguated ID Type / Status
Subject T4 Eastern Suburbs & Illawarra Line E362869 entity
Predicate terminus P388 FINISHED
Object Waterfall railway station
Waterfall railway station is a suburban railway station in southern Sydney, Australia, serving the local community and acting as a key stop on the Illawarra railway corridor.
 E1142259 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Waterfall railway station | Statement: [T4 Eastern Suburbs & Illawarra Line, terminus, Waterfall railway station]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Waterfall railway station
Context triple: [T4 Eastern Suburbs & Illawarra Line, terminus, Waterfall railway station]
  • A. Hay Railway Station
    Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
  • B. St. Martins station
    St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
  • C. Torre railway station
    Torre railway station is a suburban rail stop serving the Torre area of Torquay in Torbay, Devon, England, on the Riviera Line.
  • D. Stone railway station
    Stone railway station is a small railway stop serving the town of Stone in Staffordshire, England, on the West Coast Main Line.
  • E. Hledan Railway Station
    Hledan Railway Station is a local commuter train station in Yangon, Myanmar, serving the Hledan area of Kamayut Township on the Yangon Circular Railway network.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Waterfall railway station
Triple: [T4 Eastern Suburbs & Illawarra Line, terminus, Waterfall railway station]
Generated description
Waterfall railway station is a suburban railway station in southern Sydney, Australia, serving the local community and acting as a key stop on the Illawarra railway corridor.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Waterfall railway station
Target entity description: Waterfall railway station is a suburban railway station in southern Sydney, Australia, serving the local community and acting as a key stop on the Illawarra railway corridor.
  • A. Hay Railway Station
    Hay Railway Station is a historic former railway station in Hay, New South Wales, recognized as a heritage-listed site for its architectural and transport significance.
  • B. St. Martins station
    St. Martins station is a regional rail stop in Philadelphia, Pennsylvania, serving the Chestnut Hill West Line of SEPTA.
  • C. Torre railway station
    Torre railway station is a suburban rail stop serving the Torre area of Torquay in Torbay, Devon, England, on the Riviera Line.
  • D. Stone railway station
    Stone railway station is a small railway stop serving the town of Stone in Staffordshire, England, on the West Coast Main Line.
  • E. Hledan Railway Station
    Hledan Railway Station is a local commuter train station in Yangon, Myanmar, serving the Hledan area of Kamayut Township on the Yangon Circular Railway network.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69d85a09a39c81908759f23268e2d408 completed April 10, 2026, 2:01 a.m.
NER Named-entity recognition batch_69e006674c088190ba635a78c30f5637 completed April 15, 2026, 9:43 p.m.
NED1 Entity disambiguation (via context triple) batch_69fec895b59c81908a09f8393a35aa13 completed May 9, 2026, 5:39 a.m.
NEDg Description generation batch_69fec9ece2fc8190811e83185cdb4dfc completed May 9, 2026, 5:45 a.m.
NED2 Entity disambiguation (via description) batch_69fecc58d7b0819082090b6205b77b16 completed May 9, 2026, 5:55 a.m.
Created at: April 10, 2026, 3:09 a.m.